Operation instructions: To open your personal combination, please obey the following steps 1.The lock is preset at factory to open at 0-0-0. check the 0-0-0 aim at indication line. Press down the snap. Now the lock is ready to open 2.Press down the button with sharp tool, hold the position until next step 3 is finished 3.Turn the character wheels to set your personal combination 4.Release the button, now your private combination is set 5.Remember well your new combination. If you want to change it again, please repeat Type：suitcase padlock Color：black/white/green/yellow/red Size：8.8cm*3.8cm Weight：36g Material：zinc alloy Package includes：1pc suitcase padlock Note: 1.Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.